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  • Re: Debian 12.6: Screen won't come back on if monitor is power cycled

    From Kent West@21:1/5 to All on Wed Jul 17 23:40:01 2024
    On 7/17/24 3:55 PM, Johan Sjölin wrote:

    Hi!

    Since upgrading to Debian 12.6, I've started to experience a very
    strange problem with my monitor. If I turn it off and later turn it on
    again, the screen won't come back on (no signal). Doesn't help if I
    press a key or a mouse button. The only way to recover from the blank
    screen situation is by pressing CTRL + ALT + F1 (which returns me to
    the GNOME login screen). I never had any similar problem before,
    either with earlier versions of Debian or multiple versions of Ubuntu.

    Screen blanking is turned off.

    My desktop computer (Intel NUC7i5BNK) is hooked up by DisplayPort to
    my monitor.

    Is there anyone else experiencing this problem?

    --

    Johan Sjölin


    Try pressing a shift key a couple of times, and then blindly typing your
    user password. My guess is that the screensaver/lock is wonky.


    --

    Kent

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    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From =?UTF-8?Q?Johan_Sj=C3=B6lin?=@21:1/5 to All on Wed Jul 17 23:20:01 2024
    This is a multi-part message in MIME format.
    Hi!

    Since upgrading to Debian 12.6, I've started to experience a very
    strange problem with my monitor. If I turn it off and later turn it on
    again, the screen won't come back on (no signal). Doesn't help if I
    press a key or a mouse button. The only way to recover from the blank
    screen situation is by pressing CTRL + ALT + F1 (which returns me to the
    GNOME login screen). I never had any similar problem before, either with earlier versions of Debian or multiple versions of Ubuntu.

    Screen blanking is turned off.

    My desktop computer (Intel NUC7i5BNK) is hooked up by DisplayPort to my monitor.

    Is there anyone else experiencing this problem?

    --

    Johan Sjölin
    <!DOCTYPE html>
    <html>
    <head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    </head>
    <body>
    <p>Hi!</p>
    <p>Since upgrading to Debian 12.6, I've started to experience a very
    strange problem with my monitor. If I turn it off and later turn
    it on again, the screen won't come back on (no signal). Doesn't
    help if I press a key or a mouse button. The only way to recover
    from the blank screen situation is by pressing CTRL + ALT + F1
    (which returns me to the GNOME login screen). I never had any
    similar problem before, either with earlier versions of Debian or
    multiple versions of Ubuntu.</p>
    <p>Screen blanking is turned off.<br>
    </p>
    <p>My desktop computer (Intel NUC7i5BNK) is hooked up by DisplayPort
    to my monitor.<br>
    </p>
    <p>Is there anyone else experiencing this problem?<br>
    </p>
    <div class="moz-signature">-- <br>
    <br>
    Johan Sjölin</div>
    </body>
    </html>

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From =?UTF-8?Q?Johan_Sj=C3=B6lin?=@21:1/5 to Kent West on Fri Jul 19 16:10:01 2024
    On 7/17/24 23:30, Kent West wrote:

    Try pressing a shift key a couple of times, and then blindly typing your user password. > My guess is that the screensaver/lock is wonky.

    Doesn't work. I don't use any screensaver or automatic screen lock.

    Whenever I power cycle the monitor, I get the error message below (found
    in journalctl):

    jul 19 00:59:43 galaktikos gnome-shell[1748]: Failed to create colord
    device for 'xrandr-Samsung Electric Company-S27E650-H4ZH102483': failed
    to obtain org.freedesktop.color-manager.create-device auth

    --

    Johan Sjölin

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From debian-user@howorth.org.uk@21:1/5 to johan.sjolin@runbox.com on Fri Jul 19 17:30:01 2024
    Johan Sjölin <johan.sjolin@runbox.com> wrote:
    On 7/17/24 23:30, Kent West wrote:

    Try pressing a shift key a couple of times, and then blindly typing
    your user password. > My guess is that the screensaver/lock is
    wonky.

    Doesn't work. I don't use any screensaver or automatic screen lock.

    Whenever I power cycle the monitor, I get the error message below
    (found in journalctl):

    jul 19 00:59:43 galaktikos gnome-shell[1748]: Failed to create colord
    device for 'xrandr-Samsung Electric Company-S27E650-H4ZH102483':
    failed to obtain org.freedesktop.color-manager.create-device auth

    There's a thread at https://bbs.archlinux.org/viewtopic.php?id=228663
    that might be relevant?

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    * Origin: fsxNet Usenet Gateway (21:1/5)